Science Class 7

Video For All Chapters – Science Curiosity Class 7 Introduction, Chapter 12 Part 1- Earth, Moon, and the Sun Science Curiosity Class 7 CBSE NCERT Activity 12.3 Chapter 12 Part 2 – Earth, Moon, and the Sun Science Curiosity Class 7 CBSE NCERT Revolution of the Earth Chapter 12 Part 3- Earth, Moon, & the […]

Video For All Chapters – Science Curiosity Class 7 Introduction, Chapter 11 Part 1- Light: Shadows and Reflections Science Curiosity Class 7 CBSE NCERT Does Light Travel in a Straight Line?, Ch 11 Part 2- Light: Shadows Science Curiosity Class 7 CBSE Shadow Formation , Chapter 11 Part 3- Light: Shadows and Reflections Science Curiosity […]

Video For All Chapters – Science Curiosity Class 7 Introduction, Chapter 10 Part 1 – Life Processes in plants Science Curiosity Class 7 CBSE NCERT Plants Food for growth , Ch 10 Part 2 – Life Processes in plants Science Curiosity Class 7 CBSE Role of air in food making , Ch 10 Part 3 […]

Video For All Chapters – Science Curiosity Class 7 Introduction, Chapter 9 Part 1 – Life Processesin Animals Science Curiosity Class 7 CBSE NCERT Nutrition in Animals , Chapter 9 Part 2 – Life Processesin Animals Science Curiosity Class 7 CBSE Respiration in Animals , Chapter 9 Part 3 – Life Processesin Animals Science Curiosity […]

Video For All Chapters – Science Curiosity Class 7 Introduction, Chapter 8 Part 1 – Measurement of Time & Motion Science Curiosity Class 7 CBSE NCERT A simple pendulum, Chapter 8 Part 2 – Measurement of Time & Motion Science Curiosity Class 7 CBSE SI Unit of Time, Chapter 8 Part 3 – Measurement of […]

Notes For All Chapters Science Class 7 1. Light Travels Along a Straight Line Light can be seen as a beam when it enters a room through a small hole or narrow opening. Beams of light are seen from torches, vehicle headlights, searchlights, and lighthouses. An experiment with a straight pipe and a bent pipe […]

Notes For All Chapters Science Class 7 1. Reproduction Reproduction is the process by which living organisms produce new individuals of their own kind. In plants, reproduction helps in the continuation of the species. Flowers are the reproductive parts of plants. 2. Modes of Reproduction in Plants Plants reproduce by two main modes: Asexual Reproduction […]

Notes For All Chapters Science Class 7 1. Introduction In our daily life we use many substances like lemon, vinegar, curd, sugar, salt etc. These substances have different tastes. Based on their taste and chemical nature, they can be grouped into: Acids Bases Neutral substances We should never taste unknown substances because they may be […]

Video For All Chapters – Science Curiosity Class 8 Introduction, Chapter 6 PART 1 Pressure, Winds, Storms, & Cyclones, Science Curiosity Class 8 NCERT Activity 6.2, Chapter 6 PART 2 Pressure, Winds, Storms, & Cyclones, Science Curiosity Class 8 NCERT Formation of Wind, Chapter 6 PART 3 Pressure, Winds, Storms, & Cyclones, Science Curiosity Class […]

Video For All Chapters – Science Curiosity Class 7 Introduction – Chapter 7 Part 1 – Heat Transfer in Nature – Science Curiosity Class 7th NCERT Convection (Activity 7.2) – Chapter 7 Part 2 – Heat Transfer in Nature – Science Curiosity Class 7th Radiation – Chapter 7 Part 3 – Heat Transfer in Nature […]

Chapter 1 – The Ever-Evolving World of Science Chapter 2 – Exploring Substances: Acidic, Basic, and Neutral Chapter 3 – Electricity: Circuits and their Components Chapter 4 – The World of Metals and Non-metals Chapter 5 – Changes Around Us: Physical and Chemical Chapter 6 – Adolescence: A Stage of Growth and Change Chapter 7 […]

Science Curiosity New Book Videos Science Curiosity Videos Class 7 Science Old Book Videos Science Videos Class 7

Solutions For All Chapters – Science Curiosity Class 7 Earth, Moon, and the Sun 1. In Fig. 12.17, how many hours of sunlight do the North Pole and the South Pole receive during one rotation of the Earth? Answer: In Fig. 12.17, the North Pole receives 24 hours of sunlight during one rotation of the […]

Solutions For All Chapters – Science Curiosity Class 7 Light: Shadows and Reflections 1. Which of the following are luminous objects? Mars, Moon, Pole Star, Sun, Venus, Mirror Answer:  The luminous objects are the Sun and the Pole Star. Mars, Moon, Venus, and Mirror are non-luminous objects because they do not emit their own light; […]

Solutions For All Chapters – Science Curiosity Class 7 Life Processes in Plants 1. Complete the following table Answer: 2. Imagine a situation where all the organisms that carry out photosynthesis on the earth have disappeared. What would be the impact of this on living organisms? Answer: If all organisms that cany out photosynthesis disappeared, […]

Solutions For All Chapters – Science Curiosity Class 7 Life Processes in Animals 1. Complete the journey of food through the alimentary canal by filling up the boxes with appropriate parts- Food → Mouth → ______ → Stomach → ______ → ______ → Anus Answer: Food → Mouth → Oesophagus → Stomach → Small Intestine […]

Solutions For All Chapters – Science Curiosity Class 7 Measurement of Time and Motion 1. Calculate the speed of a car that travels 150 metres in 10 seconds. Express your answer in km/h. Solution: Distance = 150 m Time taken = 10 s Speed = = Speed in km/hr = 15 × = 54 km/h […]

Solutions For All Chapters – Science Curiosity Class 7 Heat Transfer in Nature 1. Choose the correct option in each case. (i) Your father bought a saucepan made of two diff erent materials, A and B, as shown in Fig. 7.14. The materials A and B have the following properties — (a) Both A and […]

Solutions For All Chapters – Science Curiosity Class 7 Adolescence: A Stage of Growth and Change 1. Ramesh, an 11-year-old boy, developed a few pimples on his face. His mother told him that this is because of ongoing biological changes in his body. (i) What could be the possible reasons for the development of these […]

Solutions For All Chapters – Science Curiosity Class 7 Changes Around Us: Physical and Chemical 1. Which of the following statements are the characteristics of a physical change? (i) The state of the substance may or may not change. (ii) A substance with different properties is formed. (iii) No new substance is formed. (iv) The […]

Solutions For All Chapters – Science Curiosity Class 7 The World of Metals and Non-metals 1. Which metal is commonly used to make food packaging materials as it is cheaper, and its thin sheets can be folded easily into any shape? (i) Aluminium (ii) Copper (iii) Iron (iv) Gold Answer: (i) Aluminium 2. Which of […]

Solutions For All Chapters – Science Curiosity Class 7 Electricity: Circuits and their Components 1. Choose the incorrect statement. (i) A switch is the source of electric current in a circuit. (ii) A switch helps to complete or break the circuit. (iii) A switch helps us to use electricity as per our requirement. (iv) When […]

Solutions For All Chapters – Science Curiosity Class 7 Exploring Substances: Acidic, Basic, and Neutral 1. A solution turns the red litmus paper to blue. Excess addition of which of the following solution would reverse the change? (i) Lime water (ii) Baking soda (iii) Vinegar (iv) Common salt solution Answer: (iii) Vinegar 2. You are […]

Question Answer Science New Book 2025-26 Question Answer  Science Curiosity Question Answer Science Old Book Question Answer Class 7 Science

Chapter 2 – Exploring Substances: Acidic, Basic, and Neutral Chapter 3 – Electricity: Circuits and their Components Chapter 4 – The World of Metals and Non-metals Chapter 5 – Changes Around Us: Physical and Chemical Chapter 6 – Adolescence: A Stage of Growth and Change Chapter 7 – Heat Transfer in Nature Chapter 8 – […]

Important Questions Science New Book 2025-26 Important Questions Science Curiosity Important Questions Science Old Book Important Questions Class 7 Science

Important Questions For All Chapters – Science Class 7 Earth, Moon, and the Sun Short Questions 1. What causes day and night on Earth? Answer: Earth’s rotation on its axis. 2.In which direction does the Earth rotate? Answer: From West to East. 3.How long does Earth take to complete one rotation? Answer: About 24 hours. […]

Important Questions For All Chapters – Science Class 7 Light: Shadows and Reflections Short Questions 1. What is a luminous object? Answer: An object that emits its own light, like the Sun or a firefly. 2.Does the Moon produce its own light? Answer: No, it reflects sunlight. 3.How does light travel? Answer: In a straight […]

Important Questions For All Chapters – Science Class 7 Life Processes in Plants Short Questions 1. What is photosynthesis? Answer: Photosynthesis is the process where plants make food using sunlight, water, and carbon dioxide. 2.What gas do plants take in during photosynthesis? Answer: Carbon dioxide. 3. What gas is released during photosynthesis? Answer: Oxygen. 4. […]

Important Questions For All Chapters – Science Class 7 Life Processes in Animals Short Questions 1. What is the role of saliva in digestion? Answer: Saliva breaks down starch into sugar and moistens food for swallowing. 2. What is the longest part of the human digestive system? Answer: The small intestine. 3. What does the […]

Important Questions For All Chapters – Science Class 7 Measurement of Time and Motion Short Questions 1. What is the SI unit of time? Answer: Second (s). 2.What is a sundial used for? Answer: Measuring time using the Sun’s shadow. 3.What is the time period of a pendulum? Answer: Time taken to complete one oscillation. […]

Important Questions For All Chapters – Science Class 7 Heat Transfer in Nature Short Questions 1. What is conduction? Answer: Conduction is the transfer of heat through a material without the movement of particles. 2.Why are cooking utensils made of metals? Answer: Metals are good conductors of heat, so they heat up quickly. 3. What […]

Important Questions For All Chapters – Science Class 7 Adolescence: A Stage of Growth and Change Short Questions 1. What is adolescence? Answer:Adolescence is the stage between childhood and adulthood, usually from 10 to 19 years. 2.What are secondary sexual characteristics? Answer: They are physical changes that distinguish males from females but are not directly […]

Important Questions For All Chapters – Science Class 7 Changes Around Us: Physical and Chemical Short Questions 1. What is a physical change? Answer: A change where no new substance is formed, like melting ice. 2.What is a chemical change? Answer: A change where new substances are formed, like burning wood. 3.Is melting ice a […]

Important Questions For All Chapters – Science Class 7 The World of Metals and Non-metals Short Questions 1. What is the property of metals that allows them to be beaten into thin sheets? Answer: Malleability 2.Which metal is used in thermometers because it is liquid at room temperature? Answer: Mercury 3.What is the ringing sound […]